WASHINGTON — Elon Musk, the billionaire owner of major government contractor SpaceX and a key ally of Republican presidential nominee Donald Trump, has been in regular contact with Russian ...

The fit and feel of contact lenses are very nuanced, and it can take some trial and error to make sure they’re just right. You want lenses that offer precise vision ...

Non-prescription colored contact lenses can lead to serious eye infections or damage. Poorly fitting lenses or those made with unsafe materials can block oxygen to the cornea, leading to complications ...

B) Same as (A) for the 8.8 mm-long microendoscope (see also Fig. 6F). Supplementary Figure 3. Supplementary Table 1. Parameters of the polynomial function describing the aspherical surface of ...

The company has added an interchangeable lens system, along with new Macro, Ultra Wide, and Anamorphic lenses, plus a set of four neutral density filters. The Hero 13 Black even autodetects which ...